If you no longer want an add-on installed in your Google Sheet you can easily remove it.

  1. Open the Extensions menu.

  2. Choose Add-ons

  3. Choose Manage add-ons

  4. Find the add-on you want to remove and click the vertical ... in the upper right of an add-on's tile under Manage Apps

  5. Choose "Uninstall"

  6. When prompted choose "Uninstall app"

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